Water sprayer gun



FIG. 1 is an upper perspective view of a water sprayer gun, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is back view thereof. 

The ornamental design for a water sprayer gun, as shown and described. 